1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1990-2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _MULTIMEDIA_AUDIOPIPE_H 28 #define _MULTIMEDIA_AUDIOPIPE_H 29 30 #include <AudioUnixfile.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 // This is the 'base' class for pipes (such as stdin) containing audio data 37 class AudioPipe : public AudioUnixfile { 38 private: 39 AudioPipe(); // Constructor w/no args 40 AudioPipe operator=(AudioPipe); // Assignment is illegal 41 42 public: 43 // Constructor with path 44 AudioPipe( 45 const int desc, // file descriptor 46 const FileAccess acc, // access mode 47 const char *name = "(pipe)"); // name 48 49 // class AudioUnixfile methods specialized here 50 virtual AudioError Create(); // Create file 51 virtual AudioError Open(); // Open file 52 53 // Read from position 54 virtual AudioError ReadData( 55 void* buf, // buffer to fill 56 size_t& len, // buffer length (updated) 57 Double& pos); // start position (updated) 58 59 // Write at position 60 virtual AudioError WriteData( 61 void* buf, // buffer to copy 62 size_t& len, // buffer length (updated) 63 Double& pos); // start position (updated) 64 65 // class Audio methods specialized here 66 virtual Boolean isPipe() const { return (TRUE); } 67 }; 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* !_MULTIMEDIA_AUDIOPIPE_H */ 74